CN113433422A - Device for positioning power distribution network line fault - Google Patents
Device for positioning power distribution network line fault Download PDFInfo
- Publication number
- CN113433422A CN113433422A CN202110693362.3A CN202110693362A CN113433422A CN 113433422 A CN113433422 A CN 113433422A CN 202110693362 A CN202110693362 A CN 202110693362A CN 113433422 A CN113433422 A CN 113433422A
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- power distribution
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- 230000007246 mechanism Effects 0.000 claims abstract description 62
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000001681 protective effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/08—Locating faults in cables, transmission lines, or networks
- G01R31/081—Locating faults in cables, transmission lines, or networks according to type of conductors
- G01R31/086—Locating faults in cables, transmission lines, or networks according to type of conductors in power transmission or distribution networks, i.e. with interconnected conductors
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
- Y04S10/52—Outage or fault management, e.g. fault detection or location
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Locating Faults (AREA)
Abstract
The embodiment of the invention relates to the technical field of power fault detection, in particular to a device for positioning faults of a power distribution network line, which is used for positioning faults of the power distribution network line and comprises frame bodies and a connecting plate, wherein adjacent frame bodies are connected through the connecting plate, the connecting plate is also provided with a detection mechanism, and the device further comprises: a traveling mechanism; the lifting mechanism is arranged in the frame body and used for limiting the power grid line between the lifting mechanism and the travelling mechanism and driving the whole device to move on the power grid line through the travelling mechanism; and the limiting mechanism is arranged on the frame body and used for limiting two sides of the electric wire when the device runs. According to the invention, the electric wire is arranged between the travelling mechanism and the lifting mechanism in the frame body, so that the device can be hung on the electric wire, the limiting mechanism can limit the two sides of the electric wire, the electric wire is prevented from being separated from the travelling mechanism and the lifting mechanism, and the using effect is better.
Description
Technical Field
The invention relates to the technical field of power fault detection, in particular to a device for positioning a power distribution network line fault.
Background
The power distribution network is composed of overhead lines, cables, towers, distribution transformers, isolating switches, reactive power compensators, a plurality of accessory facilities and the like, plays a role in distributing electric energy in the power network, and a fault positioning device is needed to be used for detecting when the power distribution network line has faults.
At present, the existing fault detection mode is mainly to hang a detection mechanism on a cable, and to move on the cable through the detection mechanism to realize the detection of the cable section by section, but the device is in the moving process, and once the cable shakes, the device drops easily, so that a device for positioning the fault of a power distribution network line is needed to be designed to solve the problems.
Disclosure of Invention
The embodiment of the invention aims to solve the defects in the prior art, and provides a device for positioning the fault of a power distribution network line.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a device for distribution network line fault location, includes framework and connecting plate, and is adjacent connect through the connecting plate between the framework, still be provided with detection mechanism on the connecting plate, still include:
the travelling mechanism is arranged on the frame body; and
the lifting mechanism is arranged in the frame body and used for limiting the power grid line between the lifting mechanism and the travelling mechanism and driving the whole device to move on the power grid line through the travelling mechanism; and
and the limiting mechanism is arranged on the frame body and is used for limiting two sides of the electric wire when the device runs.
As a further scheme of the embodiment of the invention: the walking mechanism comprises an installation frame, a rotating shaft is rotatably arranged in the installation frame, and rollers are arranged on the rotating shaft; and
and the driving assembly is used for driving the roller to rotate.
As a further scheme of the embodiment of the invention: the driving assembly comprises a driving piece, the driving piece is arranged on the frame body, a driving piece is arranged at one end of an output shaft of the driving piece, a driven piece is further arranged on the rotating shaft, and the driven piece and the driving piece are in transmission connection through a transmission piece.
As a further scheme of the embodiment of the invention: the frame body is provided with a protective cover, and the driving piece is located in the protective cover.
As a further scheme of the embodiment of the invention: the lifting mechanism comprises a supporting plate, a movable rod penetrates through the frame body, the supporting plate is arranged at the end part of the movable rod, and an elastic part II is arranged on the outer side of the movable rod.
As a further scheme of the embodiment of the invention: a wiring groove is formed in the supporting plate, and a plurality of rolling pieces are arranged on the inner wall of the wiring groove.
As a further scheme of the embodiment of the invention: the detection mechanism comprises a fixing frame, the fixing frame is arranged on the connecting plate, and a current detection piece is arranged in the fixing frame.
As a further scheme of the embodiment of the invention: the limiting mechanism comprises an installation barrel arranged on one side of the frame body, the end portion of the installation barrel penetrates through a telescopic rod, a movable block at one end of the telescopic rod is arranged in the installation barrel in a sliding mode, the other end of the telescopic rod is provided with a mounting plate, a movable plate penetrating through the frame body is arranged on the mounting plate, a limiting block is arranged on the outer wall of one side of the movable plate, the mounting plate is connected with the frame body through an elastic piece, and a supporting piece is further arranged inside the installation barrel.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a device for positioning faults of a power distribution network line, which can be hung on the wire by arranging the wire between a travelling mechanism and a lifting mechanism in a frame, then the device can be driven to travel on the wire by the travelling mechanism, the wire can be checked by a detection mechanism on a connecting plate, when a special frequency signal is detected, the line from a signal output end to the position of the device is normal, when the amplitude, the phase or the frequency of the special frequency signal cannot be detected or is abnormal, the fault exists between the last test position and the current test position, the checking needs to be continuously carried out between the last test position and the current test position until the fault position is positioned, in the moving process of the device, the two sides of the wire can be limited by a limiting mechanism, and the wire is prevented from being separated from the travelling mechanism and the lifting mechanism, the use effect is better.
Drawings
Fig. 1 is a schematic overall structural diagram of an apparatus for power distribution network line fault location according to an embodiment of the present invention;
fig. 2 is a schematic side view of a frame of an apparatus for locating a fault of a power distribution network according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lifting mechanism of an apparatus for locating a fault of a power distribution network line according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a detection mechanism of the device for locating a fault of a power distribution network line according to an embodiment of the present invention.
In the figure: the device comprises a frame body 1, a mounting barrel 2, a connecting plate 3, a mounting plate 4, a telescopic rod 5, a movable rod 6, a current detection part 7, a fixed frame 8, a supporting part 9, a movable block 10, an elastic part I11, a movable plate 12, a limiting block 13, a rotating shaft 14, a roller 15, a driven part 16, a driving part 17, a driving part 18, a driving part 19, a transmission part 20, a protective cover 21, an elastic part II, a supporting plate 22 and a rolling part 23.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Reference will now be made in detail to implementations of the present invention with reference to specific embodiments, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
As shown in fig. 1 and fig. 2, a device for locating a fault of a power distribution network line provided for an embodiment of the present invention includes frame bodies 1 and a connection board 3, adjacent frame bodies 1 are connected by the connection board 3, the connection board 3 is further provided with a detection mechanism, and the device further includes:
the travelling mechanism is arranged on the frame body 1; and
the lifting mechanism is arranged in the frame body 1 and used for limiting the power grid line between the lifting mechanism and the travelling mechanism and driving the whole device to move on the power grid line through the travelling mechanism; and
and the limiting mechanism is arranged on the frame body 1 and is used for limiting two sides of the electric wire when the device runs.
Through setting up the electric wire between running gear and the lifting mechanism in framework 1, make the device hang to the electric wire on, then walk on the electric wire through running gear alright drive device, detection mechanism alright through on the connecting plate 3 can arrange the electric wire, when detecting there is the special frequency signal, then show that the circuit from signal output end to device position department is normal, when unable amplitude, the phase place or the frequency that detect special frequency signal or special frequency signal are unusual, then show that there is the trouble between last test position and this test position, need continue to arrange between this, until fixing a position to the fault location, in the device removes the in-process, can also prescribe a limit to the electric wire both sides through stop gear, prevent that the electric wire breaks away from between running gear and the lifting mechanism, the result of use is better.
As an embodiment of the present invention, please refer to fig. 2, the traveling mechanism includes a mounting bracket, a rotating shaft 14 is rotatably disposed in the mounting bracket, a roller 15 is disposed on the rotating shaft 14, in this embodiment, preferably, a ring groove is disposed on an outer side of the roller 15, so that the electric wire can be clamped in the ring groove; and
and the driving component is used for driving the roller 15 to rotate.
Referring to fig. 2, as an embodiment of the present invention, the driving assembly includes a driving member 17, the driving member 17 may be a stepping motor, a servo motor, etc., in this embodiment, preferably, the driving member 17 is a servo motor, the driving member 17 is disposed on the frame 1, an output shaft of the driving member 17 is provided with a driving member 18, the rotating shaft 14 is further provided with a driven member 16, the driven member 16 and the driving member 18 are in transmission connection through a transmission member 19, the transmission member 19 may be a crawler belt, a transmission belt, etc., in this embodiment, preferably, the transmission member 19 is a crawler belt, specific structures of the driving member 18 and the driven member 16 are not limited, in this embodiment, preferably, the driving member 18 and the driven member 16 respectively employ a driving gear and a driven gear, the driving gear may be driven to rotate by the driving member 17, the driving gear drives the driven gear to rotate through the transmission member 19, the roller 15 on the shaft 14 can be rotated to move the device.
Referring to fig. 2, as an embodiment of the present invention, a protective cover 20 is disposed on the frame body 1, and the driving member 17 is disposed in the protective cover 20, so that the protective cover 20 can protect the driving member 17 from being corroded by rainwater.
As an embodiment of the present invention, please refer to fig. 2 and 3, the lifting mechanism includes a supporting plate 22, the frame 1 is provided with a movable rod 6 in a penetrating manner, the supporting plate 22 is disposed at an end of the movable rod 6, an elastic member two 21 is disposed at an outer side of the movable rod 6, and the elastic member two 21 may be a spring sheet, a spring, etc. in this embodiment, preferably, the elastic member two 21 is a spring, when the device is erected, the electric wire may be firstly contacted with the supporting plate 22, and the frame 1 is moved upward, so that the elastic member two 21 is compressed, at this time, a distance between the supporting plate 22 and the roller 15 is increased, so that the device may be moved laterally, so that the electric wire is located between the roller 15 and the supporting plate 22, so that the electric wire may be fixed, and the structure is convenient to fix electric wires of different sizes, and has more flexibility in use.
Referring to fig. 3, as an embodiment of the present invention, a cabling channel is formed on a supporting plate 22, a plurality of rolling members 23 are disposed on an inner wall of the cabling channel, and a specific structure of the rolling members 23 is not limited.
Referring to fig. 2 and 4, as an embodiment of the present invention, the detecting mechanism includes a fixing frame 8, the fixing frame 8 is disposed on the connecting plate 3, and a current detecting element 7 is disposed in the fixing frame 8, and a specific structure of the current detecting element 7 is not limited.
Referring to fig. 2, as an embodiment of the present invention, a limiting mechanism includes an installation cylinder 2 disposed on one side of a frame 1, an end of the installation cylinder 2 is provided with a telescopic rod 5 in a penetrating manner, a movable block 10 at one end of the telescopic rod 5 is slidably disposed in the installation cylinder 2, the other end of the telescopic rod 5 is provided with a mounting plate 4, the mounting plate 4 is provided with a movable plate 12 penetrating the frame 1, an outer wall of one side of the movable plate 12 is provided with a limiting block 13, the mounting plate 4 and the frame 1 are connected by a first elastic member 11, the specific structure of the first elastic member 11 is not limited and can be a spring, a spring fragment, etc., in this embodiment, preferably, the first elastic member 11 is a spring, the installation cylinder 2 is further provided with a supporting member 9, the specific structure of the supporting member 9 is not limited, in this embodiment, preferably, the supporting member 9 is an insulating rod, by inserting the supporting member 9 into the installation cylinder 2, can lift up framework 1, and lift up the in-process, under the action of gravity of device, movable block 10 can be by jack-up, make mounting panel 4 drive stopper 13 on the fly leaf 12 and remove away, elastic component 11 is stretched simultaneously, make things convenient for the electric wire card to advance in the gyro wheel 15, after framework 1 hangs on the electric wire, when taking off support piece 9, elastic component 11 resets, make stopper 13 remove to the electric wire both sides, can avoid the electric wire to drop, and is more stable, and the result of use is better.
During the use, through setting up the electric wire between running gear and the lifting mechanism in framework 1, make the device hang to the electric wire on, then can drive the device through running gear alright walk on the electric wire, detection mechanism alright through on the connecting plate 3 can carry out the investigation to the electric wire, when detecting there is the special frequency signal, then show that the circuit from signal output end to device position department is normal, when can't detect the range of special frequency signal or special frequency signal, when the phase place or the frequency is unusual, then show that there is the trouble between last test position and the test position, need continue to carry out the investigation between this, until fixing a position to the fault location, in the device removal in-process, can also prescribe a limit to the electric wire both sides through stop gear, prevent that the electric wire from breaking away from between running gear and the lifting mechanism.
It should be noted that, although the present specification describes embodiments, each embodiment does not include only a single technical solution, and such description of the specification is only for clarity, and those skilled in the art should take the specification as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments understood by those skilled in the art, and the above-mentioned embodiments only express the preferred embodiments of the technical solutions, and the description thereof is more specific and detailed, but should not be construed as limiting the scope of the claims of the technical solutions. It should be noted that, for those skilled in the art, without departing from the concept of the present application, several modifications, improvements and substitutions can be made, which are all within the protection scope of the present technical solution.
Claims (8)
1. The utility model provides a device for distribution network line fault location, includes framework and connecting plate, and is adjacent connect through the connecting plate between the framework, its characterized in that, still be provided with detection mechanism on the connecting plate, still include:
the travelling mechanism is arranged on the frame body; and
the lifting mechanism is arranged in the frame body and used for limiting the power grid line between the lifting mechanism and the travelling mechanism and driving the whole device to move on the power grid line through the travelling mechanism; and
and the limiting mechanism is arranged on the frame body and is used for limiting two sides of the electric wire when the device runs.
2. The device for power distribution network line fault location according to claim 1, wherein the traveling mechanism comprises a mounting frame, a rotating shaft is rotatably arranged in the mounting frame, and rollers are arranged on the rotating shaft; and
and the driving assembly is used for driving the roller to rotate.
3. The device for line fault location of the power distribution network of claim 1, wherein the driving assembly comprises a driving member, the driving member is disposed on the frame, a driving member is disposed at one end of an output shaft of the driving member, a driven member is further disposed on the rotating shaft, and the driven member and the driving member are in transmission connection through a transmission member.
4. The device for distribution network line fault location of claim 3, wherein a protective cover is provided on the frame and the drive member is located in the protective cover.
5. The device for positioning the line fault of the power distribution network according to claim 1, wherein the lifting mechanism comprises a supporting plate, a movable rod penetrates through the frame body, the supporting plate is arranged at the end of the movable rod, and a second elastic element is arranged outside the movable rod.
6. The device for fault location of the power distribution network line of claim 5, wherein the supporting plate is provided with a wiring groove, and the inner wall of the wiring groove is provided with a plurality of rolling members.
7. The device for power distribution network line fault location according to claim 1, wherein the detection mechanism comprises a fixing frame, the fixing frame is disposed on the connection board, and a current detection member is disposed in the fixing frame.
8. The device for power distribution network line fault location according to claim 1, wherein the limiting mechanism includes an installation cylinder disposed on one side of the frame body, a telescopic rod is disposed through an end portion of the installation cylinder, a movable block at one end of the telescopic rod is slidably disposed in the installation cylinder, a mounting plate is disposed at the other end of the telescopic rod, a movable plate penetrating through the frame body is disposed on the mounting plate, a limiting block is disposed on an outer wall of one side of the movable plate, the mounting plate and the frame body are connected through a first elastic element, and a supporting element is further disposed inside the installation cylinder.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202110693362.3A CN113433422B (en) | 2021-06-22 | 2021-06-22 | Device for positioning power distribution network line fault |
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Application Number | Priority Date | Filing Date | Title |
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CN202110693362.3A CN113433422B (en) | 2021-06-22 | 2021-06-22 | Device for positioning power distribution network line fault |
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CN113433422A true CN113433422A (en) | 2021-09-24 |
CN113433422B CN113433422B (en) | 2023-01-03 |
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CN202110693362.3A Expired - Fee Related CN113433422B (en) | 2021-06-22 | 2021-06-22 | Device for positioning power distribution network line fault |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114428201A (en) * | 2022-02-14 | 2022-05-03 | 国网山东省电力公司宁津县供电公司 | Line fault positioning equipment |
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CN104865490A (en) * | 2015-06-09 | 2015-08-26 | 天津智联恒信电力设备股份有限公司 | Indicator used for power transmission line fault indication |
CN106405325A (en) * | 2016-08-25 | 2017-02-15 | 成都汉度科技有限公司 | Stably suspended transmission line failure detection apparatus |
CN109167297A (en) * | 2018-10-09 | 2019-01-08 | 华北电力大学(保定) | A kind of high stability high pressure inspection mobile robot device |
CN208984741U (en) * | 2018-10-25 | 2019-06-14 | 浙江永能自动化科技有限公司 | A kind of fault detector |
CN209055621U (en) * | 2018-10-25 | 2019-07-02 | 浙江永能自动化科技有限公司 | A kind of fault indicator for overhead lines |
CN110829266A (en) * | 2019-11-26 | 2020-02-21 | 长沙理工大学 | Power transmission line online electricity taking rolling obstacle crossing robot and application method thereof |
CN210982649U (en) * | 2019-01-01 | 2020-07-10 | 仇培玉 | Distribution lines fault locating device |
CN211086483U (en) * | 2019-09-17 | 2020-07-24 | 深圳供电局有限公司 | Traveling device for positioning faults of power distribution overhead line |
CN212586531U (en) * | 2020-05-08 | 2021-02-23 | 江苏华世远电力技术有限公司 | Quick fault detection device |
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2021
- 2021-06-22 CN CN202110693362.3A patent/CN113433422B/en not_active Expired - Fee Related
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104865490A (en) * | 2015-06-09 | 2015-08-26 | 天津智联恒信电力设备股份有限公司 | Indicator used for power transmission line fault indication |
CN106405325A (en) * | 2016-08-25 | 2017-02-15 | 成都汉度科技有限公司 | Stably suspended transmission line failure detection apparatus |
CN109167297A (en) * | 2018-10-09 | 2019-01-08 | 华北电力大学(保定) | A kind of high stability high pressure inspection mobile robot device |
CN208984741U (en) * | 2018-10-25 | 2019-06-14 | 浙江永能自动化科技有限公司 | A kind of fault detector |
CN209055621U (en) * | 2018-10-25 | 2019-07-02 | 浙江永能自动化科技有限公司 | A kind of fault indicator for overhead lines |
CN210982649U (en) * | 2019-01-01 | 2020-07-10 | 仇培玉 | Distribution lines fault locating device |
CN211086483U (en) * | 2019-09-17 | 2020-07-24 | 深圳供电局有限公司 | Traveling device for positioning faults of power distribution overhead line |
CN110829266A (en) * | 2019-11-26 | 2020-02-21 | 长沙理工大学 | Power transmission line online electricity taking rolling obstacle crossing robot and application method thereof |
CN212586531U (en) * | 2020-05-08 | 2021-02-23 | 江苏华世远电力技术有限公司 | Quick fault detection device |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN114428201A (en) * | 2022-02-14 | 2022-05-03 | 国网山东省电力公司宁津县供电公司 | Line fault positioning equipment |
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